Description: The 2 inch (5 cm) wide flower heads have numerous purple rays with white at the base, yellow disks, and spreading, reflexed, or sometimes appressed phyllaries (bracts at the base of the flower heads) in 3 to 6 series and with green, glandular-hairy tips. The flower heads are followed by tawny, bristly, rounded seed heads. The fernlike or tansy-like leaves are grayish green, sticky, glandular-hairy, alternate, and once or twice pinnatifid with spiny tips. The stems are branched, glandular-hairy, green near the top of the plant, and pinkish near the base.